package controller;


import com.alibaba.fastjson2.JSON;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import pojo.User;
import service.UserService;
import util.LayData;
import util.Page;

import java.util.List;

@Controller
@RequestMapping("/asyncuser")
public class AsyncUserController {
    @Autowired
    private UserService userService;

    @RequestMapping("/tolist")
    public String toList() {
        return "asyncuser/list";
    }
    @RequestMapping("/list")
    @ResponseBody
    public String findAll(User user, @RequestParam(value = "page",defaultValue = "1") int currentPage, @RequestParam(value = "limit",defaultValue = "10")int pageSize, Model model) {
        // 查询总记录数
        int totalCount = userService.count(user);

        // 计算偏移量
        int offset = (currentPage - 1) * pageSize;
        List<User> users = userService.findAll(user, offset, pageSize);
        LayData laydata = new LayData(0, "查询成功", totalCount, users);
        // 返回json格式数据
        return JSON.toJSONString(laydata);
    }

    @RequestMapping("/toadd")
    public String toAdd() {
        return "asyncuser/add";
    }

    @RequestMapping("/addSave")
    @ResponseBody
    public String addUser(User user) {
        int result = userService.addUser(user);
        if (result>0) {
           return JSON.toJSONString(new LayData(200, "添加成功"));
        } else {
            return JSON.toJSONString(new LayData(500,"添加失败"));
        }
    }


    @RequestMapping("/delete/{id}")
    @ResponseBody
    public String deleteUser(@PathVariable("id") int id){
        int result = userService.deleteUser(id);
        if (result > 0) {
            return JSON.toJSONString(new LayData(200, "删除成功"));
        } else {
            return JSON.toJSONString(new LayData(500, "删除失败"));
        }
    }
    @RequestMapping("/toupdate/{id}")
    public String toUpdate(@PathVariable("id") int id, Model model){
        User user = userService.findUserById(id);
        model.addAttribute("user", user);
        return "asyncuser/update";
    }

    @RequestMapping("/updateSave")
    @ResponseBody
    public String updateSave(User user){
        int result = userService.updateUser(user);
        if (result > 0) {
            return JSON.toJSONString(new LayData(200, "更新成功"));
        } else {
            return JSON.toJSONString(new LayData(500, "更新失败"));
        }
    }
}
